KasmVNC/common/rdr/FdOutStream.h
2020-09-20 12:16:44 +00:00

67 lines
1.6 KiB
C++

/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
* Copyright 2011 Pierre Ossman for Cendio AB
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
//
// FdOutStream streams to a file descriptor.
//
#ifndef __RDR_FDOUTSTREAM_H__
#define __RDR_FDOUTSTREAM_H__
#include <sys/time.h>
#include <rdr/OutStream.h>
namespace rdr {
class FdOutStream : public OutStream {
public:
FdOutStream(int fd, bool blocking=true, int timeoutms=-1, int bufSize=0);
virtual ~FdOutStream();
void setTimeout(int timeoutms);
void setBlocking(bool blocking);
int getFd() { return fd; }
void flush();
int length();
int bufferUsage();
unsigned getIdleTime();
private:
int overrun(int itemSize, int nItems);
int writeWithTimeout(const void* data, int length, int timeoutms);
int fd;
bool blocking;
int timeoutms;
int bufSize;
int offset;
U8* start;
U8* sentUpTo;
struct timeval lastWrite;
};
}
#endif